perturbed - definition and synonyms

adjective 

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/pə(r)ˈtɜː(r)bd/
  1. worried or upset by something

    William looked more than a little perturbed at the suggestion.

derived words

perturb

 

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verb [transitive]
present tense
I/you/we/theyperturb
he/she/itperturbs
present participleperturbing
past tenseperturbed
past participleperturbed

perturbation

 

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/ˌpɜː(r)tə(r)ˈbeɪʃ(ə)n/
noun [countable/uncountable]
singularperturbation
pluralperturbations